388013668

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{17789}}^1$

素因数の和:17860

約数の個数: 48

約数和(自身を含む): 836841600

約数和(自身を除く): 448827932

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 266, 287, 532, 574, 779, 1148, 1558, 3116, 5453, 10906, 17789, 21812, 35578, 71156, 124523, 249046, 337991, 498092, 675982, 729349, 1351964, 1458698, 2365937, 2917396, 4731874, 5105443, 9463748, 10210886, 13857631, 20421772, 27715262, 55430524, 97003417, 194006834, 388013668]

約数ペア:

[(1, 388013668), (2, 194006834), (4, 97003417), (7, 55430524), (14, 27715262), (19, 20421772), (28, 13857631), (38, 10210886), (41, 9463748), (76, 5105443), (82, 4731874), (133, 2917396), (164, 2365937), (266, 1458698), (287, 1351964), (532, 729349), (574, 675982), (779, 498092), (1148, 337991), (1558, 249046), (3116, 124523), (5453, 71156), (10906, 35578), (17789, 21812)]